TOEFL Listening: TPO-TOEFL听力TPO - BYD4LD1F_99C437XR$

What does the professor imply about the relationship between an organism's niche and its habitat? A. An organism's niche is exactly the same as its habitat. B. An organism's niche is only partly defined by its habitat. C. An organism's habitat is almost always more complex than its niche. D. An organism can change its habitat but cannot change its niche.